Avoids a -Wstringop-truncation warning by using av_strlcopy instead of
strncpy. Additionally, prints a warning to the log context if this
truncation occurred.
Signed-off-by: Leo Izen
---
libavformat/hls.c | 11 ---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/libavformat/hls.c b/libavformat/hls.c
index f5f549b24d..61e2d67588 100644
--- a/libavformat/hls.c
+++ b/libavformat/hls.c
@@ -540,11 +540,16 @@ static struct rendition *new_rendition(HLSContext *c,
struct rendition_info *inf
}
if (info->assoc_language[0]) {
-int langlen = strlen(rend->language);
+size_t langlen = strlen(rend->language);
if (langlen < sizeof(rend->language) - 3) {
+size_t assoc_len;
rend->language[langlen] = ',';
-strncpy(rend->language + langlen + 1, info->assoc_language,
-sizeof(rend->language) - langlen - 2);
+assoc_len = av_strlcpy(rend->language + langlen + 1,
+ info->assoc_language,
+ sizeof(rend->language) - langlen - 1);
+if (langlen + assoc_len + 2 > sizeof(rend->language)) //
truncation occurred
+av_log(c->ctx, AV_LOG_WARNING, "Truncated rendition language:
%s\n",
+ info->assoc_language);
}
}
--
2.42.1
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